| # | Swimmer | Team | Seed | Time | Diff |
| 1 |
Longhitano, Leana R (14)
|
MRLGAC |
1:02.02 |
1:03.10 |
1.08 |
| 1 |
de Mendonca, Sophia A (14)
|
MRYFD |
56.66 |
57.59 |
0.93 |
| 2 |
Sherpa, Sharon D (14)
|
MRLGAC |
1:02.50 |
1:03.67 |
1.17 |
| 2 |
Chin, Cassidy K (14)
|
MRQNS |
57.79 |
57.80 |
0.01 |
| 3 |
Leblond, Charlotte M (14)
|
MRLIE |
1:02.43 |
1:03.74 |
1.31 |
| 3 |
Campusano, Fabiane (14)
|
MRBAD |
58.42 |
58.82 |
0.40 |
| 4 |
Tan, Felicity (14)
|
MRCAS |
1:02.97 |
1:04.05 |
1.08 |
| 4 |
Santarpia, Sadie (14)
|
MRTRI |
1:00.99 |
58.96 |
-2.03 |
| 5 |
Petrovic, Sydney B (14)
|
MRLIE |
59.39 |
59.09 |
-0.30 |
| 6 |
Shnayderman, Alisa (14)
|
MRMPNY |
1:00.51 |
59.11 |
-1.40 |
| 7 |
Sciortino, Sienna B (14)
|
MRLIE |
58.44 |
59.78 |
1.34 |
| 8 |
Hunter, Madeleine J (14)
|
MRLIE |
1:00.01 |
1:00.43 |
0.42 |
| 9 |
Clarke, Hailey E (14)
|
MRLIE |
59.55 |
1:00.57 |
1.02 |
| 10 |
Vodopyanov, Elizabeth (14)
|
MRSIAC |
1:01.13 |
1:00.65 |
-0.48 |
| 11 |
Meyer, Abby H (14)
|
MRLIE |
1:00.60 |
1:00.78 |
0.18 |
| 11 |
Radov, Rachel (14)
|
MRSIAC |
1:02.20 |
1:00.78 |
-1.42 |
| 13 |
Lee, Priscilla J (14)
|
MRLIE |
1:01.92 |
1:00.93 |
-0.99 |
| 14 |
Polauf, Sofia (14)
|
MRLIE |
1:01.03 |
1:01.07 |
0.04 |
| 15 |
Ramos, Micaela C (14)
|
MRYFD |
1:00.79 |
1:01.35 |
0.56 |
| 16 |
Liu, Natalie (14)
|
MRWEST |
1:02.59 |
1:01.60 |
-0.99 |
| 17 |
Wangmo, Karma (14)
|
MRLGAC |
1:01.62 |
1:01.94 |
0.32 |
| 18 |
Murphy, Melia H (14)
|
MRYFD |
1:02.86 |
1:02.66 |
-0.20 |
| 19 |
Oh, Abbigale H (14)
|
MRLIE |
1:02.64 |
1:02.68 |
0.04 |